As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: LEFT AFT LAVATORY DOOR LOCK KEEPS GETTING STUCK IN THE CLOSED POSITION. PEOPLE ARE HAVING TROUBLE GETTING OUT OF THE LAVATORY. CLEANED OBSTRUCTION FROM LOCKING MECHANISM ON AFT LEFT LAVATORY OPERATIONAL CHECK NORMAL.